US Army Corps of Engineers

McNary Dam

Tuesday September 22, 2026

New Date:

HourTotal Outflow kcfsGeneration Flow kcfsSpill kcfsForebay ElevationTailwater ElevationAverage Head
1 60.40 55.70 0.00 338.79 265.45 73.34
2 59.20 54.50 0.00 338.86 265.40 73.46
3 60.70 56.00 0.00 338.90 265.66 73.24
4 60.20 55.50 0.00 339.00 265.50 73.50
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
AVG 60.12 55.42 0.00 338.89 265.50 73.39
MAX 60.70 56.00 0.00 339.00 265.66 73.50
MIN 59.20 54.50 0.00 338.79 265.40 73.24